1954 was after the end of the "Korean Conflict" and chrome options were again available that year (they were supposedly not available in 1952-53).

It would be interesting to hear/read/see more about the ". . 51 Subn came with its stainless grill and bumpers. . . "

Stainless-Steel or chrome in 1951? Other people have also reported stainless steel grills in 1954 (but GM does not refer to these items)?